Heat trap



FIG. 1 is a perspective view of a heat trap showing my new design;

FIG. 2 is a side elevation taken from the right of FIG. 1;

FIG. 3 is a side elevation taken from the left of FIG. 1;

FIG. 4 is a rear elevation;

FIG. 5 is a front elevation;

FIG. 6 is a top plan view taken from the top of FIG. 4; and,

FIG. 7 is a bottom plan view taken from the bottom of FIG. 5. 

The ornamental design for a heat trap, as shown and described. 